Impact of dynamic wrinkling model on the prediction accuracy using the F-TACLES combustion model in swirling premixed turbulent flames. - Archive ouverte HAL Accéder directement au contenu
Article Dans Une Revue Proceedings of the Combustion Institute Année : 2013

Impact of dynamic wrinkling model on the prediction accuracy using the F-TACLES combustion model in swirling premixed turbulent flames.

Résumé

The F-TACLES model, based on a filtered look-up table, is coupled with a dynamic power-law wrinkling model for Large-Eddy Simulation proposed by Charlette et al. The dynamic formulation is based on a Germano-like approach and is fully consistent with the F-TACLES model, both being based on a Gaussian filtering of the flame structure. The turbulent swirl burner Tecflam is simulated. Using a non-dynamic procedure, where the wrinkling model parameter is set to the value suggested by Charlette et al., leads to departure between the numerical and experimental results. The dynamic procedure is then applied using two approaches: first, the parameter is assumed to be spatially independent (global parameter), second, it is assumed to dependent only on the downstream distance from injector. In both cases, the dynamic determination of the exponent leads to accurate results, when compared with experimental data. In the configuration simulated in this study, using a global parameter, but dynamically determined, is sufficient to properly predict the reacting flow properties.

Dates et versions

hal-00822923 , version 1 (15-05-2013)

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Citer

Schmitt Thomas, Sadiki Amsini, Benoit Fiorina, Denis Veynante. Impact of dynamic wrinkling model on the prediction accuracy using the F-TACLES combustion model in swirling premixed turbulent flames.. Proceedings of the Combustion Institute, 2013, 34 (1), pp.1261-1268. ⟨10.1016/j.proci.2012.06.150⟩. ⟨hal-00822923⟩
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